1. The World Wide Web Consortium (W3C),
http://www.w3.org/
2. W3C eGov Wiki,
http://www.w3.org/egov/wiki/Linked_Data
3. The Renewable Energy & Energy Efficiency Partnership (REEEP),
http://www.reeep.org/
4. Garsho, L.: Metadata? Thesauri? Taxonomies? Topic Maps! Making sense of it all (2004),
http://www.ontopia.net/topicmaps/materials/tm-vs-thesauri.html#N412
5. Campell, L., MacNeill, S.: The Semantic Web, Linked and Open Data; A Briefing Paper (2009)